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Cheap flights from Florida Keys to London Heathrow Airport

EYW — LHR
19 Oct — 26 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Florida Keys to Heathrow

Round-trip from

£570

One-way from

£240
Air Canada
  • Air Canada
  • 14/10-18/10
  • 2 total stops
  • 34h 34m total
  • Florida Keys to London
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British Airways
  • British Airways
  • 1/2-31/12
  • 1 total stop
  • 10h 57m total
  • Florida Keys to London
Search Deals

Cheapflights Insights

Everything you need to know about your flight from Florida Keys to London Heathrow Airport

How far ahead should I book a flight from Florida Keys to London Heathrow Airport?

The best time to book flights from Florida Keys to London Heathrow Airport is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Florida Keys to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Florida Keys to London Heathrow Airport (average of £538). Flying from Florida Keys to London Heathrow Airport in June is currently the most expensive (average of £934). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Florida Keys to London Heathrow Airport, such as KLM,Virgin Atlantic, andAmerican Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,577 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
KLM
7.8
Good
1,577 reviews
KLM
7.8
Good
1,577 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
Virgin Atlantic
7.4
Good
694 reviews
KLM
7.8
Good
1,577 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
American Airlines
7.1
Good
12,084 reviews
KLM
7.8
Good
1,577 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
British Airways
6.7
Okay
8,229 reviews
KLM
7.8
Good
1,577 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

  • How long is the flight from Florida Keys to London Heathrow Airport?

    A quick flight from Florida Keys to London Heathrow Airport can take about 8h 40m. Delta provides one of the quickest options available for as low as £580. Florida Keys and London Heathrow Airport are separated by a distance of 4414 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Florida Keys to London Heathrow Airport one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £124. Users have also found prices from £236 and £243 on Iberia and Delta, respectively.

  • Can I find deals for flights from Florida Keys to Heathrow that include hotel bookings?

    Yes. In addition to deals on Florida Keys to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Florida Keys to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Florida Keys to Heathrow.

  • Can I find deals for business class flights from Florida Keys to Heathrow?

    Yes. Cheapflights offers flight deals from Florida Keys to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Florida Keys to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Florida Keys to London Heathrow Airport (average of £538). Flying from Florida Keys to London Heathrow Airport in June is currently the most expensive (average of £934). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Northampton
Croydon
Colchester
Eastbourne
Brentford
Enfield
Southend-on-Sea
Barnet
Southall
Watford
Swindon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Florida Keys to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Florida Keys today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Florida Keys to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Florida Keys to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Florida Keys to Heathrow with no change fees?

Yes, we can. To see specific flights from Florida Keys to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Florida Keys to Heathrow become cheaper?

Of course! You can now track prices for flights from Florida Keys to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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